xloader | a39d6226eed5913f2f1d77991f011a386453d095689f85eb0ca14aac1d983466

General

Target

IMG-78293792.exe
Size

356KB
MD5

cb94f8bf4453d77ed35b4cccad18260c
SHA1

aeacb009addb2152c05a34537f565e66b32b25d2
SHA256

a39d6226eed5913f2f1d77991f011a386453d095689f85eb0ca14aac1d983466
SHA512

7fb17a554481d5ff6c28edd4ee43b9306a8e59ac9f992a2b6d243b2d88eb9daa997bbf5be962f331c6ec282b15e4e67107c233691a6b05d317957072754f4135
SSDEEP

6144:lZwkVnw0KesTf8DZgu2OuQ15Mgkv0StJXgBivzsXjpY/i0un1IC1ewYrbOhpRRRY:lZ7Laf8DqOrRk8+JXUMzeYRun19ewskC

Score

10^/10

xloader c6si loader rat

Malware Config

Extracted

Family

xloader

Version

2.5

Campaign

c6si

Decoy

tristateinc.construction

americanscaregroundstexas.com

kanimisoshiru.com

wihling.com

fishcheekstosa.com

parentsfuid.com

greenstandmarket.com

fc8fla8kzq.com

gametwist-83.club

jobsncvs.com

directrealtysells.com

avida2015.com

conceptasite.net

arkaneattire.com

indev-mobility.info

2160centurypark412.com

valefloor.com

septembership.com

stackflix.com

jimc0sales.net

Signatures

Xloader
Xloader is a rebranded version of Formbook malware.
loader xloader

Xloader payload 5 IoCs

rat

resource	yara_rule
behavioral1/memory/1512-62-0x0000000000400000-0x0000000000429000-memory.dmp	xloader
behavioral1/memory/1512-65-0x0000000000400000-0x0000000000429000-memory.dmp	xloader
behavioral1/memory/1512-72-0x0000000000400000-0x0000000000429000-memory.dmp	xloader
behavioral1/memory/328-74-0x00000000000C0000-0x00000000000E9000-memory.dmp	xloader
behavioral1/memory/328-76-0x00000000000C0000-0x00000000000E9000-memory.dmp	xloader

Deletes itself 1 IoCs

pid	Process
1496	cmd.exe

Suspicious use of SetThreadContext 4 IoCs

description	pid	Process	procid_target
PID 1344 set thread context of 1512	1344	IMG-78293792.exe	28
PID 1512 set thread context of 1192	1512	IMG-78293792.exe	13
PID 1512 set thread context of 1192	1512	IMG-78293792.exe	13
PID 328 set thread context of 1192	328	wlanext.exe	13

Suspicious behavior: EnumeratesProcesses 19 IoCs

pid	Process
1512	IMG-78293792.exe
1512	IMG-78293792.exe
1512	IMG-78293792.exe
328	wlanext.exe
328	wlanext.exe
328	wlanext.exe
328	wlanext.exe
328	wlanext.exe
328	wlanext.exe
328	wlanext.exe
328	wlanext.exe
328	wlanext.exe
328	wlanext.exe
328	wlanext.exe
328	wlanext.exe
328	wlanext.exe
328	wlanext.exe
328	wlanext.exe
328	wlanext.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1192	Explorer.EXE

Suspicious behavior: MapViewOfSection 6 IoCs

pid	Process
1512	IMG-78293792.exe
1512	IMG-78293792.exe
1512	IMG-78293792.exe
1512	IMG-78293792.exe
328	wlanext.exe
328	wlanext.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1512	IMG-78293792.exe
Token: SeDebugPrivilege	328	wlanext.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
1192	Explorer.EXE
1192	Explorer.EXE

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
1192	Explorer.EXE
1192	Explorer.EXE

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 1344 wrote to memory of 1512	1344	IMG-78293792.exe	28
PID 1344 wrote to memory of 1512	1344	IMG-78293792.exe	28
PID 1344 wrote to memory of 1512	1344	IMG-78293792.exe	28
PID 1344 wrote to memory of 1512	1344	IMG-78293792.exe	28
PID 1344 wrote to memory of 1512	1344	IMG-78293792.exe	28
PID 1344 wrote to memory of 1512	1344	IMG-78293792.exe	28
PID 1344 wrote to memory of 1512	1344	IMG-78293792.exe	28
PID 1344 wrote to memory of 1512	1344	IMG-78293792.exe	28
PID 1344 wrote to memory of 1512	1344	IMG-78293792.exe	28
PID 1344 wrote to memory of 1512	1344	IMG-78293792.exe	28
PID 1512 wrote to memory of 328	1512	IMG-78293792.exe	29
PID 1512 wrote to memory of 328	1512	IMG-78293792.exe	29
PID 1512 wrote to memory of 328	1512	IMG-78293792.exe	29
PID 1512 wrote to memory of 328	1512	IMG-78293792.exe	29
PID 328 wrote to memory of 1496	328	wlanext.exe	30
PID 328 wrote to memory of 1496	328	wlanext.exe	30
PID 328 wrote to memory of 1496	328	wlanext.exe	30
PID 328 wrote to memory of 1496	328	wlanext.exe	30

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:1192
- C:\Users\Admin\AppData\Local\Temp\IMG-78293792.exe
  "C:\Users\Admin\AppData\Local\Temp\IMG-78293792.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious use of WriteProcessMemory
  PID:1344
- - C:\Users\Admin\AppData\Local\Temp\IMG-78293792.exe
    "C:\Users\Admin\AppData\Local\Temp\IMG-78293792.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:1512
  - - C:\Windows\SysWOW64\wlanext.exe
      "C:\Windows\SysWOW64\wlanext.exe"
      4⤵
      Suspicious use of SetThreadContext
      Suspicious behavior: EnumeratesProcesses
      Suspicious behavior: MapViewOfSection
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of WriteProcessMemory
      PID:328
    - - C:\Windows\SysWOW64\cmd.exe
        
        /c del "C:\Users\Admin\AppData\Local\Temp\IMG-78293792.exe"
        5⤵
        Deletes itself
        
        PID:1496

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/328-71-0x00000000000A0000-0x00000000000B6000-memory.dmp

Filesize
88KB

Download
memory/328-79-0x0000000000400000-0x0000000000490000-memory.dmp

Filesize
576KB

Download
memory/328-76-0x00000000000C0000-0x00000000000E9000-memory.dmp

Filesize
164KB

Download
memory/328-74-0x00000000000C0000-0x00000000000E9000-memory.dmp

Filesize
164KB

Download
memory/328-75-0x0000000002000000-0x0000000002303000-memory.dmp

Filesize
3.0MB

Download
memory/328-73-0x00000000000A0000-0x00000000000B6000-memory.dmp

Filesize
88KB

Download
memory/1192-67-0x0000000004090000-0x000000000414F000-memory.dmp

Filesize
764KB

Download
memory/1192-83-0x00000000062F0000-0x000000000641D000-memory.dmp

Filesize
1.2MB

Download
memory/1192-81-0x00000000062F0000-0x000000000641D000-memory.dmp

Filesize
1.2MB

Download
memory/1192-80-0x00000000062F0000-0x000000000641D000-memory.dmp

Filesize
1.2MB

Download
memory/1192-77-0x00000000038C0000-0x00000000039C0000-memory.dmp

Filesize
1024KB

Download
memory/1192-70-0x00000000061A0000-0x00000000062EA000-memory.dmp

Filesize
1.3MB

Download
memory/1344-58-0x0000000001160000-0x00000000011BE000-memory.dmp

Filesize
376KB

Download
memory/1344-55-0x0000000004FE0000-0x0000000005020000-memory.dmp

Filesize
256KB

Download
memory/1344-54-0x00000000011F0000-0x0000000001250000-memory.dmp

Filesize
384KB

Download
memory/1344-56-0x0000000000430000-0x0000000000440000-memory.dmp

Filesize
64KB

Download
memory/1344-57-0x0000000004FE0000-0x0000000005020000-memory.dmp

Filesize
256KB

Download
memory/1512-66-0x0000000000190000-0x00000000001A1000-memory.dmp

Filesize
68KB

Download
memory/1512-59-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1512-60-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1512-72-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1512-69-0x00000000002E0000-0x00000000002F1000-memory.dmp

Filesize
68KB

Download
memory/1512-61-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1512-65-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1512-64-0x00000000008B0000-0x0000000000BB3000-memory.dmp

Filesize
3.0MB

Download
memory/1512-62-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download

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